man: and now we're helping the east coast recover from hurricane sandy. we're a leading global insurance company, based right here in america. we've repaid every dollar america lent us. everything, plus a profit of more than $22 billion. for the american people. thank you, america. helping people recover and rebuild -- that's what we do. now let's bring on tomorrow. >>> back at 8:18. this morning on new you, new year, 12 strangers who lost 100 pounds and ended up running marathon together. in followed with their inspiring weight loss story. good morning. >> reporter: this really is an incredible journey of 12 people who didn't know each other. they were strangers, as you said, now 12 good friends. they bonded as they shed the pounds and as they crossed the finish line together. >> i was 253 pounds at my haven't. >> at my haven't, at my heaviest, i weighed 349 pounds. >> at my heaviest, i weighed 269 pounds. >> at my heaviest, i was 275 pounds. >> reporter: katie, carla, ada and rick didn't know each other but they did have one thing in common, they were o